Bouse, AZ: frost dates by year

Last spring and first fall frost at NOAA station USC00020949, 1952 to 2016, measured from daily minimum temperatures.

Elevation 925 ft, 33.943, -114.024. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 9	Nov 23
Earliest	Jan 12 (1993)	Oct 26 (1956)
Latest	Apr 29 (1970)	Dec 20 (2008)
Trend	5.6 days earlier per decade	2.5 days later per decade
Years with data	60	64

At 28°F (hard freeze) the median last spring date is Feb 11 and the median first fall date is Nov 30.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2016	Feb 6	Nov 30	Feb 3	Nov 30
2015	Jan 23	Nov 27	Jan 4	Nov 29
2014	Feb 2	Nov 19	none	Dec 26
2013	Mar 23	Dec 5	Mar 23	Dec 6
2012	Mar 20	Nov 11	Jan 14	Dec 20
2011	Feb 28	Dec 3	Feb 4	Dec 4
2010	Jan 24	Nov 23	none	Nov 26
2009	Feb 13	Nov 26	Jan 28	Dec 5
2008	Mar 17	Dec 20	Feb 6	none
2007	Mar 4	Nov 23	Mar 2	Dec 14
2006	no data	Nov 30	no data	Dec 1
2005	no data	Nov 28	no data	Nov 28
2003	Feb 10	Nov 24	Feb 10	Nov 24
2002	Mar 15	Dec 12	Mar 15	Dec 19
2001	Feb 15	Dec 1	Jan 18	Dec 13
2000	Mar 7	Nov 13	Jan 9	Nov 14
1999	Apr 10	Nov 23	Feb 12	Dec 5
1998	Mar 8	Nov 10	none	Dec 7
1997	Mar 2	Dec 3	Jan 8	Dec 26
1996	Mar 1	Dec 1	Jan 24	Dec 2
1995	Mar 25	Dec 18	none	Dec 21
1994	Feb 24	Nov 19	Feb 3	Nov 20
1993	Jan 12	Nov 25	Jan 4	Dec 17
1992	Jan 23	Nov 23	Jan 18	Nov 28
1991	Mar 16	Nov 23	Jan 31	Dec 1
1990	Mar 15	Nov 27	Mar 14	Nov 27
1989	Feb 15	Nov 29	Feb 12	Nov 30
1988	Mar 13	Nov 16	Mar 13	Dec 22
1987	Mar 20	Nov 27	Mar 1	Dec 15
1986	Feb 11	Dec 11	Feb 11	Dec 11
1985	Mar 5	Nov 13	Mar 4	Nov 17
1984	Mar 6	Nov 26	Feb 27	none
1983	Feb 1	Nov 22	Jan 21	Nov 22
1982	Mar 7	Dec 2	Feb 3	none
1981	Feb 7	Nov 26	Feb 5	Nov 26
1980	Mar 14	Nov 17	none	Nov 17
1979	Mar 18	Nov 13	Feb 6	Nov 20
1978	Jan 26	Dec 3	none	Dec 7
1977	Apr 3	Nov 21	Mar 6	none
1976	Feb 22	Nov 28	Jan 26	Nov 28
1975	Feb 24	Nov 19	Feb 23	Nov 30
1974	Mar 4	Nov 26	Feb 9	Nov 30
1973	no data	Nov 5	no data	Nov 28
1972	Mar 29	Nov 1	Feb 15	Nov 25
1971	Mar 20	Oct 30	Mar 3	Oct 30
1970	Apr 29	Nov 16	Feb 3	Dec 4
1969	Mar 16	Nov 19	Mar 16	Dec 13
1968	Feb 5	Nov 25	Jan 19	Nov 30
1967	Mar 30	Dec 2	Mar 30	Dec 3
1966	Mar 5	Nov 24	Mar 5	Nov 27
1965	Mar 20	Nov 29	Mar 6	none
1964	Apr 24	Nov 14	Mar 9	Nov 15
1963	no data	Nov 18	no data	Dec 11
1962	Mar 16	Nov 20	Mar 15	Dec 14
1961	Mar 8	Nov 17	Feb 28	Nov 18
1960	Mar 16	Nov 15	Feb 23	Nov 28
1959	Mar 26	Nov 7	Feb 4	Nov 27
1958	Mar 10	Nov 14	Jan 24	Nov 17
1957	Mar 14	Nov 18	Jan 29	Nov 18
1956	Apr 5	Oct 26	Mar 16	Nov 3
1955	Apr 6	Nov 16	Mar 21	Nov 16
1954	Mar 18	Nov 30	Mar 14	Nov 30
1953	Apr 12	Nov 19	Apr 9	Nov 19
1952	Mar 14	Nov 10	Mar 3	Nov 25

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991–2020 frost probabilities.